Howard Leight Black Impact Sport Electronic Earmuffs - When at the range, one of the most important things is having great earmuffs to protect your hearing. These earmuffs are known for how great they perform. The earmuffs provides built in microphones to amplify other sounds. Amplifies ambient sound to safe 82 dB Noise Reduction Rating: 22dB AUX input Non-deforming outer headband Delux headband